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69463442868 = 2236786397317
BaseRepresentation
bin100000010110001011…
…0000000010110110100
320122022000201111212020
41000230112000112310
52114230120132433
651524442353140
75006240344101
oct1005426002664
9218260644766
1069463442868
1127506336826
12115671bb7b0
136720232b21
14350d665aa8
151c18475cb3
hex102c5805b4

69463442868 has 24 divisors (see below), whose sum is σ = 164500493472. Its totient is φ = 22808891424.

The previous prime is 69463442831. The next prime is 69463442879. The reversal of 69463442868 is 86824436496.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43197855 + ... + 43199462.

It is an arithmetic number, because the mean of its divisors is an integer number (6854187228).

Almost surely, 269463442868 is an apocalyptic number.

It is an amenable number.

69463442868 is an abundant number, since it is smaller than the sum of its proper divisors (95037050604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69463442868 is a wasteful number, since it uses less digits than its factorization.

69463442868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86397391 (or 86397389 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 60.

The spelling of 69463442868 in words is "sixty-nine billion, four hundred sixty-three million, four hundred forty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 86397317 172794634 259191951 345589268 518383902 1036767804 5788620239 11577240478 17365860717 23154480956 34731721434 69463442868